import React from 'react';
import qqq from 'prop-types'
class App extends React.Component {
  static contextTypes = {
    count:qqq.number,
    theme:qqq.string
  }
    render() {
      console.log(this)
        return <div className=''>
          <button>{this.props.children}</button>
        </div>;
    }
}
export default App